Cross section refers to showing off the surface of the object,Such as a circular cross-section of the sphere,Also known as cross-sectional, cut or section.

In mechanical drawing, In order for a side cross-sectional view of the internal mechanical parts have a good understanding of when to draw the internal structure and the mechanical cut along a plane when drawing mechanical drawings obtained.

Material part, we need a variety of cross-sectional view showing a cross section of different types of symbols.

Common Materials Sectional symbol sectional common symbols as shown in Figure :